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Thai protesters threaten strike

Hundreds attended the funeral of a protester killed in Thursday's grenade attack [AFP]

Hundreds of protesters have occupied the camp since August, forcing the current government to base itself at temporary offices in Bangkok's old airport.

On Friday hundreds of supporters of anti-government People's Alliance for Democracy attended the funeral of the man, marching through the streets of the capital to the headquarters of the Thai police.

Anti-government protesters are threatening to step up action [GALLO/GETTY]

The PAD, a loose coalition of royalist businessmen and academics, has accused the government of having a hand in the attack, with one PAD leader urging supporters to bring down what he said was the current "murderous" administration.

Prime Minister Somchai Wongsawat has denied any responsibility in the attack.